It was hard to convince Thomas, who declared he must have some more proof; therefore the Lord created a body having in it the marks of the nails in order that Thomas might be convinced.

And when he was convinced, Jesus said to him: "Thomas, because thou hast seen me, thou hast believed: blessed are they that have not seen, and yet have believed" .-- John 20:27-29.
[291]The purpose of Jesus' appearing to the disciples was that the fact might be fully established that he was resurrected and alive.

He had the power to create a fleshly body and appear in it and dissolve it at any time; and without doubt when he appeared to his disciples behind locked doors he created the body immediately in their presence and dissolved it when he disappeared.

To prove to them that he was a real body of flesh and bones he said to them: "Handle me, and see; for a spirit hath not flesh and bones, as ye see me have".

(Luke 24:39) This was not a spirit body, but a body of flesh.